| Nanning 2 ITF | Round | Result | H | A | 
		
			| 26.10. |  | Lasku / Serba - Cao S / Wang | F | 6-2, 6-4 |  |  | 
		
			| 26.10. |  | Cao S / Wang - Shapa / Weble | SF | 6-4, 2-6, 10-6 |  |  | 
		
			| 25.10. |  | Cao S / Wang - Bolkv / Shyma | QF | 6-3, 7-5 | 2.34 | 1.48 | 
		
			| 22.10. |  | Cao S / Wang - Jakup / Sekul | R16 | 2-6, 6-4, 10-5 |  |  | 
		
			| Anning 2 ITF | Round | Result | H | A | 
		
			| 17.09. |  | Okuno / Verne - Cao S / Liu S | R16 | 6-4, 6-3 | 1.82 | 1.83 | 
		
			| Anning ITF | Round | Result | H | A | 
		
			| 13.09. |  | Kulam / Ma Y. - Cao S / Guo M | SF | 6-3, 0-6, 10-6 | 2.30 | 1.53 | 
		
			| 11.09. |  | Cao S / Guo M - Easwa / Oliyn | QF |  |  |  | 
		
			| 10.09. |  | Cao S / Guo M - Cao X / Zhu J | R16 | 6-3, 6-4 |  |  | 
		
			| Changsha ITF | Round | Result | H | A | 
		
			| 05.09. |  | Jiang / Tang - Cao S / Guo M | QF | 6-4, 6-0 | 1.50 | 2.39 | 
		
			| 03.09. |  | Cao S / Guo M - Okuno / Tjand | R16 | 1-0 |  |  | 
		
			| Huangshan ITF | Round | Result | H | A | 
		
			| 15.08. |  | Jang / Kim N - Cao S / Zheng | QF | 6-3, 7-5 | 1.43 | 2.56 | 
		
			| 13.08. |  | Cao S / Zheng - Xiao / Zhu W | R16 | 6-4, 6-2 | 1.10 | 5.71 | 
		
			| Naiman ITF | Round | Result | H | A | 
		
			| 27.06. |  | Nayde / Sema - Cao S / Zhao | QF | 6-1, 6-2 |  |  | 
		
			| 25.06. |  | Cao S / Zhao - Xiao / Zhang | R16 | 6-3, 6-4 | 1.07 | 7.50 | 
		
			| Hengyang ITF | Round | Result | H | A | 
		
			| 14.06. |  | Sun X / Zhao - Cao S / Guo M | SF | 7-62, 2-6, 11-9 |  |  | 
		
			| 13.06. |  | Cao S / Guo M - Sun Z / Yang | QF | 6-4, 6-1 |  |  | 
		
			| 11.06. |  | Cao S / Guo M - Kang / Kobor | R16 | 6-2, 6-1 |  |  | 
		
			| Shenzhen 6 ITF | Round | Result | H | A | 
		
			| 05.06. |  | Guo H / Ye Q. - Cao S / Guo M | R16 | 6-1, 6-1 | 1.40 | 2.66 | 
		
			| Luzhou ITF | Round | Result | H | A | 
		
			| 30.05. |  | Chen / Zhang - Cao S / Zhou | QF | 6-3, 6-2 | 1.40 | 2.61 | 
		
			| 28.05. |  | Cao S / Zhou - Qi J. / Yang | R16 | 6-2, 6-1 | 1.13 | 5.17 | 
		
			| Wuhan ITF | Round | Result | H | A | 
		
			| 14.05. |  | Guo H / Ye Q. - Cao S / Lu J. | R16 | 6-1, 6-4 | 1.33 | 3.00 | 
		
			| Luan ITF | Round | Result | H | A | 
		
			| 09.05. |  | Xu S. / Yuan - Cao S / Xun F | QF | 6-3, 6-1 | 1.80 | 1.90 | 
		
			| 08.05. |  | Cao S / Xun F - Omae / Raina | R16 | 2-6, 6-3, 10-8 |  |  | 
		
			| Shenzhen 3 ITF | Round | Result | H | A | 
		
			| 12.03. |  | Sun X / Wang - Cao S / Zheng | R16 | 6-1, 7-65 | 2.40 | 1.46 | 
		
			| Nanchang 3 ITF | Round | Result | H | A | 
		
			| 09.03. |  | Cao S / Guo M - Guo H / Tang | F | 6-4, 4-6, 10-8 | 2.37 | 1.53 | 
		
			| 08.03. |  | Cao S / Guo M - Kukha / Zhang | SF | 0-6, 6-4, 10-7 | 2.00 | 1.72 | 
		
			| 07.03. |  | Cao S / Guo M - Sun X / Zhao | QF | 7-64, 6-1 | 2.10 | 1.66 | 
		
			| 06.03. |  | Cao S / Guo M - Ng M. / Palha | R16 | 6-0, 6-4 |  |  | 
		
			| Nanchang 2 ITF | Round | Result | H | A | 
		
			| 28.02. |  | Lee P / Yuan - Cao S / Liu Y | QF | 4-6, 7-5, 10-5 |  |  | 
		
			| 27.02. |  | Cao S / Liu Y - Kawam / Kim C | R16 | 6-3, 7-61 | 1.59 | 2.19 | 
		
			| Nanchang ITF | Round | Result | H | A | 
		
			| 23.02. |  | Cao S / Zheng - Chong / Kim D | F | 7-5, 7-64 | 2.08 | 1.65 | 
		
			| 22.02. |  | Cao S / Zheng - Lee P / Zhang | SF | 7-5, 6-4 | 2.33 | 1.52 | 
		
			| 21.02. |  | Cao S / Zheng - Liu S / Palha | QF | 6-1, 6-3 | 1.12 | 5.32 | 
		
			| 20.02. |  | Cao S / Zheng - Guo M / Yang | R16 | 6-3, 7-5 | 1.39 | 2.71 | 
		
			| Antalya 3 ITF | Round | Result | H | A | 
		
			| 03.02. |  | Moris / Okuno - Cao S / Zheng | SF | 7-5, 6-2 |  |  | 
		
			| 03.02. |  | Cao S / Zheng - Aikaw / Vange | QF | 6-4, 6-3 |  |  | 
		
			| 03.02. |  | Cao S / Zheng - Mettr / Sakel | R16 | 6-2, 6-2 | 1.13 | 5.38 |